International Women's Day brings attention to the social, economic, cultural and achievements of all women around the world. Today's holiday is also a call to address the unfinished business of creating true equality between men and women. The gender gap is an issue that remains in many areas of life, especially in the work environment. Women in certain fields find it difficult to progress and flourish in their careers. Of course, there are real-life success stories such as Elizabeth Gaines, the CEO of the Fortescue Metals Group. Let's hear how Gaines has succeeded in the male-dominated mining sector.